Unmanned aerial vehicle



FIG. 1 is a front view of an unmanned aerial vehicle;

FIG. 2 is a rear view of the unmanned aerial vehicle;

FIG. 3 is a left side view of the unmanned aerial vehicle;

FIG. 4 is a right side view of the unmanned aerial vehicle;

FIG. 5 is a top plan view of the unmanned aerial vehicle;

FIG. 6 is a bottom plan view of the unmanned aerial vehicle;

FIG. 7 is a first perspective view of the unmanned aerial vehicle; and,

FIG. 8 is a second perspective view of the unmanned aerial vehicle. 

CLAIM The ornamental design for an “unmanned aerial vehicle,” as shown and described. 